Why does a chocolate cyst cause infertility?

Written by Zhang Lu

Obstetrics

Updated on April 03, 2025

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Chocolate cysts, also known as ovarian endometriomas, are a manifestation of endometriosis. Generally, it refers to the implantation of endometrial tissue on the ovaries, causing local infiltration and invasion, leading to cysts. Because the fluid inside the cyst resembles chocolate, they are called chocolate cysts. Chocolate cysts may cause infertility, for the following reasons: First, chocolate cysts can affect the function of the ovaries, causing ovulatory disorders and ovarian dysfunction. The secretion of estrogen and progesterone is relatively low, and these factors can lead to infertility. Second, chocolate cysts can cause adhesions within the pelvic cavity, affecting the egg-picking function of the fallopian tubes. This factor can also lead to female infertility.

Other Voices

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Written by Zhang Wei Wei

Integrative Medicine

1min 17sec

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Where to apply moxibustion for infertility?

The principle of traditional Chinese medicine treatment for infertility mainly involves nourishing kidney qi, benefiting essence and blood, nurturing the Conception and Thoroughfare Vessels, and regulating menstruation as the general principle, through which syndrome differentiation and treatment are applied to treat the condition accordingly. For infertility moxibustion, the following acupuncture points can be selected: The first one is the Guanyuan point, also known as Dantian, located 3 inches below the navel. The second is the Qihai point, located on the anterior midline of the lower abdomen, 1.5 inches below the center of the navel. The third is the Uterus point, located on the lower abdomen, 4 inches below the center of the navel and 3 inches aside from the midline. The fourth is the Sanyinjiao point, located on the inner side of the lower leg, 3 inches above the tip of the medial malleolus. The fifth is the Zusanli point, located on the outer side of the lower leg, 3 inches below the knee. These are the main acupuncture points.

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Written by Kang Jian Hua

Reproductive Center

54sec

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How to treat infertility?

The treatment methods for infertility primarily include medication, surgical treatment, and assisted reproductive technologies. For couples with infertility, it is essential to adopt appropriate treatment methods based on different causes and conditions. Medication is a commonly used method, mainly targeting conditions such as oligospermia, asthenozoospermia, and reproductive tract infections in men, as well as menstrual disorders and reproductive tract infections in women. Surgical treatment mainly targets conditions such as varicocele and vas deferens obstruction in men, and uterine fibroids and polycystic ovary syndrome in women. Assisted reproductive technologies are mainly used for some patients who do not respond well to medication or surgery, such as men with idiopathic oligospermia and women with blocked fallopian tubes, requiring these technologies for treatment.

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Written by Shen Li Wen

Obstetrics and Gynecology

1min 4sec

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What are the symptoms of infertility?

There are many causes of infertility, so depending on different reasons, the clinical manifestations also vary. For instance, some women suffer from infertility due to abnormal ovulation, which could manifest as abnormalities in the menstrual cycle such as prolonged absence of menstruation, like in polycystic ovary syndrome, or irregular vaginal bleeding. Some women have uterine factors that cause infertility, such as common post-multiple intrauterine operations leading to intrauterine adhesions, where a woman might experience reduced menstrual flow or even amenorrhea, accompanied by painful menstruation. Additionally, infertility in some women might be due to cervical factors, possibly presenting with thick vaginal discharge, contact bleeding, or blood-tinged discharge. Partially, some women might have ovarian endometriomas, which can cause severe painful menstruation and increased menstrual volume, among other symptoms.

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Written by Kang Jian Hua

Reproductive Center

52sec

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Infertility is divided into several types.

Common classification methods for infertility mainly include the following types: The first type is based on medical history, which can be divided into primary infertility and secondary infertility. Primary infertility refers to never having been pregnant; secondary infertility refers to having been pregnant before, but after trying to conceive for more than a year, despite having regular sexual intercourse without contraception, there has been no pregnancy. The second type is based on the treatment conditions, which can be divided into absolute infertility and relative infertility. Based on the results of treatment, it can further be classified into temporary infertility and permanent infertility. The third type is based on the causes of infertility, which can be divided into male infertility, female infertility, and infertility affecting both partners.

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Written by Kang Jian Hua

Reproductive Center

46sec

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What does infertility cos mean?

Let's take a look at what infertility COS means. Infertility COS is an abbreviation for Polycystic Ovary Syndrome in English. Polycystic Ovary Syndrome is a common disease in women, characterized by obesity, hirsutism, amenorrhea, and infertility. This disease is characterized by an excess of androgens and persistent anovulation. Ultrasound examinations did not find ovarian volumes greater than 10 ml and follicles with diameters of 2 to 9mm, with at least 12 present. People with this disease often seek treatment for infertility. Currently, the methods of treating this disease in China include medication and surgery.